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Finding the Fourth Proportional to 350,538.10, 525,807.15 and 97,818.10

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Solution

The fourth proportional to 350,538.10, 525,807.15 and 97,818.10 is: 146,727.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,538.10 : 525,807.15 = 97,818.10 : x
  2. Step 2: Convert to fraction form
    350,538.10/525,807.15 = 97,818.10/x
  3. Step 3: Cross multiply
    350,538.10x = 525,807.15 × 97,818.10
  4. Step 4: Simplify right side
    350,538.10x = 51,433,456,379.42
  5. Step 5: Solve for x
    x = 51,433,456,379.42/350,538.10
  6. Step 6: Final answer
    x = 146,727.15

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.